diff options
Diffstat (limited to 'gcc/ada/s-os_lib.ads')
| -rwxr-xr-x | gcc/ada/s-os_lib.ads | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/ada/s-os_lib.ads b/gcc/ada/s-os_lib.ads index bde73fdc616..e3c1079df19 100755 --- a/gcc/ada/s-os_lib.ads +++ b/gcc/ada/s-os_lib.ads @@ -507,6 +507,7 @@ package System.OS_Lib is -- directories listed in the environment Path. If the Exec_Name doesn't -- have the executable suffix, it will be appended before the search. -- Otherwise works like Locate_Regular_File below. + -- If the executable is not found, null is returned. -- -- Note that this function allocates some memory for the returned value. -- This memory needs to be deallocated after use. @@ -654,9 +655,9 @@ package System.OS_Lib is -- (notably Unix systems) a simple file name may also work (if the -- executable can be located in the path). -- - -- "Spawn" should not be used in tasking applications. Why not??? More - -- documentation would be helpful here ??? Is it really tasking programs, - -- or tasking activity that cause trouble ??? + -- "Spawn" should be avoided in tasking applications, since there are + -- subtle interactions between creating a process and signals/locks + -- that can cause troubles. -- -- Note: Arguments in Args that contain spaces and/or quotes such as -- "--GCC=gcc -v" or "--GCC=""gcc -v""" are not portable across all |